Quantum DLTtape SDLT 220, User Manual

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SDLT 220 and SDLT 320 Product Manual Glossary
81-85002-01 March 2004 G-9
Q
R
S
QEZ An ASIC (Application Specific Integrated Circuit) for the SDLT.
Restore To replace data on the hard drive with data obtained from another
media device.
SAN Storage Area Network.
SCSI Small Computer System Interface. An American National
Standards Institute (ANSI) standard for the interface between a
computer and peripheral controllers.
SDLT Super DLTtape. The next-generation DLTtape family of
products. DLTtape

and Super DLTtape

are trademarks of
Quantum Corporation, registered in the U.S.A. and other
countries.
SE Single-Ended. A term referring to the electrical characteristics of
the signal used on the SCSI bus interface. For each signal that
needs to be sent across the bus, there exists a wire to carry it. SE
SCSI uses one line for each signal, with all lines using a common
ground reference.
Seek The movement of a read/write head to a specific data track.
Server A powerful computer system with a large drive capacity that
serves the information access and communication needs of
multiple users.
Shelf Life The length of time that a tape can be stored without losing its
magnetic strength. For DLTtape media, this period is 30 years or
more.
SRAM Static RAM. A memory chip that requires power to hold its
content.